delivering heat to a Rankine cycle. A technoeconomic feasibility study for a 10-MW powerplant design with a net solar-to-electric conversion efficiency of 18% and a capacity factor of 80% indicates a levelized energy cost of 0.16 US$1999 per kWhr (Lovegroveet al., 1999;Luzziet al., ...
Kilowatt-hours are usually abbreviated askWh, although the formally adopted expression iskW·h. The abbreviationkW his also sometimes used. For example, 1 kilowatt-hour can be written as 1 kWh, 1 kW·h, or 1 kW h. In formal expressions, the centered dot (·) or space is used to separ...
The conventional geothermal power plants use the reinjection wells mostly to avoid the depletion of the geothermal reservoir gathering in the underground of the produced brine. Nevertheless, reinjection operations entail high economic costs and some risk
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The nucleic acids were extracted according to Lueders et al. [41]. Briefly, 2 mL of wet sediment without supernatant from biological triplicates was used for cell lysis by bead beating, nucleic acid purification by phenol-chloroform-isoamyl alcohol extraction and precipitation with polyethylene gly...
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Meanwhile, Kwo and Jamari [98] determined that 250 °C is the ideal torrefaction temperature in the conversion of both RH and RS, which yield maximum energies of 92–94% and 93–98%, respectively, with a value-added product such as biofuel. In a later analysis by Chen et al. [99],...
7 TiO2 photoanode 0.37 mL CH4, 1.0 M NaOH 20°C UV lamp (λ = 254 nm, 0.1 mW cm−2) 81.9% Faradaic efficiency at 0.4 V vs RHE Wang et al.128 8 Ni/SiO2 24.3 mg 11.7% CH4 + 11.5% CO2 + 76.8% Ar; GHSV = 293086 mL g−1 h−1 646°C 500 W Xe lamp (343.6 kW m...
. After each passage, the laser power is increased until the laser induces morphological damage (e.g., microtube destruction, see Supplementary Fig.29). However, even at the highest power (~650 kW cm−2) the Aero-BN network remains intact, whereas a commercially available state-of-...
This paper reports the demonstration of a vapor-phase VUV frequency converter from 233 nm to 186 nm with an energy conversion efficiency exceeding 35%; the maximum generated signal energy and power were 250 /spl mu/J and 25 kW. The net conversion efficiency to 186 nm, including all beams,...